Percents, Percents, Percents!!

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a percent?
Back
A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.
2.
FLASHCARD QUESTION
Front
How do you calculate percent increase?
Back
Percent Increase = ((New Value - Old Value) / Old Value) x 100.
3.
FLASHCARD QUESTION
Front
What is the formula for percent decrease?
Back
Percent Decrease = ((Old Value - New Value) / Old Value) x 100.
4.
FLASHCARD QUESTION
Front
If 26 is 5% of what number, how do you find that number?
Back
To find the number, use the formula: Number = Part / (Percent / 100). So, Number = 26 / (5 / 100) = 520.
5.
FLASHCARD QUESTION
Front
What is 19% of 50?
Back
19% of 50 = 0.19 x 50 = 9.5.
6.
FLASHCARD QUESTION
Front
How do you calculate a tip based on a percentage?
Back
Tip = Bill Amount x (Tip Percentage / 100). For example, for a $6.68 bill and a 23% tip, Tip = 6.68 x (23 / 100) = $1.54.
7.
FLASHCARD QUESTION
Front
What does it mean to have a 50.5% decrease in price?
Back
A 50.5% decrease means the new price is 49.5% of the original price. For example, if an item costs $60.64 and is reduced by 50.5%, the new price is $29.99.
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